NASA NTRS · 19830000032
Fuel-Cell Reactant-Gas Purifier
Abstract
Catalytic purifier removes oxygen from hydrogen feedlines just upstream of fuel-cell stack. Purifier consists of layer of platinum sandwiched between two sheets of porous polytetrafluoroethylene (PTFE). Platinum and PTFE elements stacked and ready for pressing. Purifier cut to size, pleated and inserted into convenient length of metal tubing. Purifier is 90 percent efficient in removing oxygen from gas stream containing 2 percent oxygen in hydrogen.
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Mcbryar, H., Ollila, T.. 1983-08-01. Fuel-Cell Reactant-Gas Purifier. https://ntrs.nasa.gov/citations/19830000032
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